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Finding the Fourth Proportional to 733.60, 1,095.10 and 624.22

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Solution

The fourth proportional to 733.60, 1,095.10 and 624.22 is: 931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.60 : 1,095.10 = 624.22 : x
  2. Step 2: Convert to fraction form
    733.60/1,095.10 = 624.22/x
  3. Step 3: Cross multiply
    733.60x = 1,095.10 × 624.22
  4. Step 4: Simplify right side
    733.60x = 683,583.32
  5. Step 5: Solve for x
    x = 683,583.32/733.60
  6. Step 6: Final answer
    x = 931.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.